\begin{abstract}
	here is some leading text another piece
	of text to be wrapped % This is a very
	% very long trailing comment that needs
	% to be wrapped by latexindent to make
	% sure the visual display is in a good
	% shape. Second comment: this is a very
	% very long trailing comment that needs
	% to be wrapped by latexindent to make
	% sure the visual display is in a good
	% shape.
\end{abstract}
----|----|----|----|----|----|----|----|
   5   10   15   20   25   30   35   40